小型天文望远镜视场更广但是只能探测到较强烈的信号。
Small telescopes see a lot of sky but can detect only strong signals.
另一个则是需要在天文望远镜的视场和放大率之间进行取舍。
Another is the trade off between a telescope's field of view and its magnification.
另一个则是需要在天文望远镜的视场和放大率之间进行取舍。
Another is the trade off between a telescope's field of view and its magnification.
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